Concrete Floor

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ramsden

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Hi,

Looking for some advice. Having some treatment done on a concrete floor - was showing signs of damp. The builder had put down a surface DPC (see image) which to me doesn't look great. Any thoughts from anyone would be appreciated.


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looks a poor job. all tiles should have been lifted and the unit legs can be raised one by one.
after combing out it should be smoothed over to bury the notch marks two coats of that stuff will be needed.the first coat in one directn and the second in the other directn.
damp slabs sometimes have damp wall at the edges. or rotting skirting
 
He hasn’t rolled it.
You put it on with a notched trowel to determin the thickness then you roll in with a paint roller to make it smooth. You can go over tiles with it.
Looks like epoxy which is good but needs a 2nd coat now.
 
Thanks for the replies. Currently in a bit of a dsipute with the builder as my flooring guy came and said he needed to do another DMP prior to screeding, I don't want to pay twice for the 1 job. Does it routinely take two coats or should it be a 1 coat job? Also, those tiles are lino.
 
If it’s a epoxy you can do 1 coat if it’s on correct which that isn’t. So I wouldn’t be paying the builder.
Let the Floorlayer do another coat mate.
 
Some Dom’s like Ardex MVS , Fball F78 and Laybond rapid dpm need 2-3 coats but epoxy is one up to 97 / 98 RH%.

But if pin holes in it you need to do another coat.
 
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